Inventor
ASUMA HIROAKI
JP21 patents
⚠️ This page may combine multiple inventors who share the name “ASUMA HIROAKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
13 patentsUS6433852B1Aug 13, 2002
Liquid crystal display device having a spacer
HITACHI LTD182 citations99
US5831701ANov 3, 1998
Liquid crystal display device with wide viewing angle characteristics comprising high resistivity black matrix
HITACHI LTD127 citations99
US6411360B1Jun 25, 2002
Inplane switching type liquid crystal display with alignment layer formed on columnar spacer directly
HITACHI LTD89 citations98
US6040887AMar 21, 2000
Liquid crystal display device with wide viewing angle characteristics comprising high resistivity black matrix
HITACHI LTD88 citations98
US5541748AJul 30, 1996
Liquid crystal display having patterned insulating and semiconductor layers and a method of fabricating the same
HITACHI LTD115 citations98
US5805247ASep 8, 1998
Liquid crystal display apparatus in which plural common electrodes are parallel to the pixel electrodes on the same substrate and a black matrix on the opposing substrate
HITACHI LTD72 citations96
US5633739AMay 27, 1997
Color liquid crystal display device composed of color filter with a layer of three primary color array patterns fabricated by thermal dye transfer technology
HITACHI LTD87 citations96
US6642988B2Nov 4, 2003
Liquid crystal display device with columnar spacer
HITACHI LTD22 citations92
US6275279B1Aug 14, 2001
Liquid crystal display panel wherein end-sealing material contains particulates larger than gap formed by liquid crystal filling port
HITACHI LTD16 citations84
US6392732B1May 21, 2002
Active matrix type liquid crystal display apparatus
HITACHI LTD5 citations74
US6100956AAug 8, 2000
Active matrix type liquid crystal display apparatus with a shielding layer having a specific resistance of a part thereof being less than 108 Ω·CM
HITACHI LTD10 citations74
US7701431B2Apr 20, 2010
Display device with divided display regions
HITACHI LTD2 citations63
US6337728B1Jan 8, 2002
Liquid crystal display device with spacer material covered by an orientation film
HITACHI LTD5 citations62
HITACHI DISPLAYS LTD
3 patentsUS7746313B2Jun 29, 2010
Display device employing a time-division-multiplexed driver
HITACHI DISPLAYS LTD8 citations84
US7110068B2Sep 19, 2006
Liquid crystal display device
HITACHI DISPLAYS LTD6 citations63
US7787089B2Aug 31, 2010
Transparent type liquid crystal display device
HITACHI DISPLAYS LTD4 citations61